[INFO] crate mailstrom 0.5.0 is already in cache
[INFO] extracting crate mailstrom 0.5.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mailstrom/0.5.0
[INFO] extracting crate mailstrom 0.5.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mailstrom/0.5.0
[INFO] validating manifest of mailstrom-0.5.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mailstrom-0.5.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mailstrom-0.5.0
[INFO] finished frobbing mailstrom-0.5.0
[INFO] frobbed toml for mailstrom-0.5.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mailstrom/0.5.0/Cargo.toml
[INFO] started frobbing mailstrom-0.5.0
[INFO] finished frobbing mailstrom-0.5.0
[INFO] frobbed toml for mailstrom-0.5.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mailstrom/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mailstrom-0.5.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mailstrom/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] c48347899019b1099f46998f9eaa6fc3d039a4ea8951bf40ed887100d9956e9b
[INFO] running `"docker" "start" "-a" "c48347899019b1099f46998f9eaa6fc3d039a4ea8951bf40ed887100d9956e9b"`
[INFO] [stderr]    Compiling buf-read-ext v0.3.0
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling lettre v0.7.0
[INFO] [stderr]    Compiling trust-dns-proto v0.4.3
[INFO] [stderr]    Compiling email-format v0.6.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.9.1
[INFO] [stderr]    Compiling mailstrom v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/worker/mx.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         .map(|(_, exch)| exch.trim_right_matches(|c| c == '.').to_owned())
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.51s
[INFO] running `"docker" "inspect" "c48347899019b1099f46998f9eaa6fc3d039a4ea8951bf40ed887100d9956e9b"`
[INFO] running `"docker" "rm" "-f" "c48347899019b1099f46998f9eaa6fc3d039a4ea8951bf40ed887100d9956e9b"`
[INFO] [stdout] c48347899019b1099f46998f9eaa6fc3d039a4ea8951bf40ed887100d9956e9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mailstrom/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 86d2e1e43a200535f0c21e1120b523ffda2de6736031afde734463889e019f04
[INFO] running `"docker" "start" "-a" "86d2e1e43a200535f0c21e1120b523ffda2de6736031afde734463889e019f04"`
[INFO] [stderr]    Compiling mailstrom v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/worker/mx.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         .map(|(_, exch)| exch.trim_right_matches(|c| c == '.').to_owned())
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.60s
[INFO] running `"docker" "inspect" "86d2e1e43a200535f0c21e1120b523ffda2de6736031afde734463889e019f04"`
[INFO] running `"docker" "rm" "-f" "86d2e1e43a200535f0c21e1120b523ffda2de6736031afde734463889e019f04"`
[INFO] [stdout] 86d2e1e43a200535f0c21e1120b523ffda2de6736031afde734463889e019f04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mailstrom/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 5ccefb53f2a3fd0f358c50b33c438384f5cd84624d45a57955eebe482b7913be
[INFO] running `"docker" "start" "-a" "5ccefb53f2a3fd0f358c50b33c438384f5cd84624d45a57955eebe482b7913be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mailstrom-2673a602d31c7d1b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_terminate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mailstrom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5ccefb53f2a3fd0f358c50b33c438384f5cd84624d45a57955eebe482b7913be"`
[INFO] running `"docker" "rm" "-f" "5ccefb53f2a3fd0f358c50b33c438384f5cd84624d45a57955eebe482b7913be"`
[INFO] [stdout] 5ccefb53f2a3fd0f358c50b33c438384f5cd84624d45a57955eebe482b7913be